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sensor ratings..

Discussion in 'Electronic Design' started by [email protected], Jan 16, 2008.

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  1. Guest

    Hi again all,

    What does it mean when a sensor is rated at 5 microvolts per volt per
    mmHg

    Does this mean that the sensor is susceptible to an error of 5
    microvolts per volt of supply per mmHG pressure being measured? So the
    greater the pressure being measured the higher the error would be on
    it?

    Cheers,
    Luca
     
  2. It sounds like the spec for a pressure sensitive resistive
    bridge. A bridge has a sensitivity that is proportional to
    the excitation voltage applied to it, and also proportional
    to the pressure applied to it. So the output signal is 5
    microvolts times each volt of excitation applied to it,
    times each mm of mercury of pressure across it.
     
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